inbound_group_session_id
actual fun inbound_group_session_id(session: OlmInboundGroupSessionPointer, sessionId: ByteArray): ULong
actual fun inbound_group_session_id(session: OlmInboundGroupSessionPointer, sessionId: ByteArray): ULong
expect fun inbound_group_session_id(session: OlmInboundGroupSessionPointer, sessionId: ByteArray): ULong